Systems and methods for seamless switching between a plurality of wireless connections for wireless transmissions

Abstract

A wireless communications system is provided with a first wireless communications module, a second wireless communications module, and a connection management module. The first wireless communications module operates in compliance with a first wireless communication protocol, and transmits data by wireless transceiving via a first wireless connection. The second wireless communications module operates in compliance with a second wireless communication protocol. The connection management module requests the second wireless communications module to establish a second wireless connection in response to a signal indicator of the first wireless connection having a value within a predetermined range, and transfers the data to the second wireless communications module to be transmitted via the second wireless connection.

What is claimed is: 
     
         1 . A wireless communications system, comprising:
 a first wireless communications module configured to operate in compliance with a first wireless communication protocol, and transmit data by wireless transceiving via a first wireless connection;   a second wireless communications module configured to operate in compliance with a second wireless communication protocol; and   a connection management module configured to request the second wireless communications module to establish a second wireless connection in response to a signal indicator of the first wireless connection having a value within a predetermined range, and transfer the data to the second wireless communications module to be transmitted via the second wireless connection.   
     
     
         2 . The wireless communications system of  claim 1 , wherein, prior to the step of transferring the data, the connection management module is further configured to convert a first communications scheme utilized by the first wireless communications module for the data transmission via the first wireless connection into a second communications scheme associated with the second wireless connection. 
     
     
         3 . The wireless communications system of  claim 1 , wherein the first wireless communications module is further configured to detect whether a signal quality or transmission rate of the first wireless connection is lower or higher than a threshold, and if so, send a notification signal to the connection management module to trigger the step of requesting the second wireless communications module to establish the second wireless connection and the step of transferring the data. 
     
     
         4 . The wireless communications system of  claim 3 , wherein, in response to receiving the notification signal, the connection management module is further configured to temporarily store the data which was originally to be transmitted by the first wireless communications module, and when the second wireless connection is established, transfer the data to the second wireless communications module to be transmitted via the second wireless connection. 
     
     
         5 . The wireless communications system of  claim 3 , wherein the signal quality of the first wireless connection is determined according to a Received Signal Strength Indicator (RSSI) of the first wireless connection. 
     
     
         6 . The wireless communications system of  claim 1 , wherein the step of requesting the second wireless communications module to establish the second wireless connection and the step of transferring the data are performed by the connection management module in response to an abnormal loss of the first wireless connection. 
     
     
         7 . The wireless communications system of  claim 6 , wherein the first wireless communications module is further configured to detect whether the abnormal loss of the first wireless connection has occurred, and if so, send a notification signal to the connection management module to trigger the step of requesting the second wireless communications module to establish the second wireless connection and the step of transferring the data. 
     
     
         8 . The wireless communications system of  claim 7 , wherein, in response to receiving the notification signal, the connection management module is further configured to temporarily store the data which was originally to be transmitted by the first wireless communications module, and when the second wireless connection is established, transfer the data to the second wireless communications module to be transmitted via the second wireless connection. 
     
     
         9 . The wireless communications system of  claim 1 , wherein the step of requesting the second wireless communications module to establish the second wireless connection and the step of transferring the data are performed in response to a user request. 
     
     
         10 . The wireless communications system of  claim 9 , wherein, in response to receiving the user request, the connection management module is further configured to temporarily store the data which was originally to be transmitted by the first wireless communications module, and when the second wireless connection is established, transfer the data to the second wireless communications module to be transmitted via the second wireless connection. 
     
     
         11 . A method for seamless switching between a plurality of wireless connections for wireless transmissions, comprising:
 providing a first wireless communications module and a second wireless communications module operating in compliance with a first wireless communication protocol and a second wireless communication protocol, respectively, wherein the first wireless communications module transmits data by wireless transceiving via a first wireless connection;   requesting the second wireless communications module to establish a second wireless connection in response to a signal indicator of the first wireless connection having a value within a predetermined range; and   transferring the data to the second wireless communications module to be transmitted via the second wireless connection.   
     
     
         12 . The method of  claim 11 , further comprising, in response to a signal quality or transmission rate of the first wireless connection being lower or higher than a threshold, performing the following steps:
 temporarily storing the data which was originally to be transmitted by the first wireless communications module; and   when the second wireless connection is established, transferring the data to the second wireless communications module to be transmitted via the second wireless connection.   
     
     
         13 . The method of  claim 12 , wherein the signal quality of the first wireless connection is determined according to a Received Signal Strength Indicator (RSSI) of the first wireless connection. 
     
     
         14 . The method of  claim 11 , wherein the step of requesting the second wireless communications module to establish the second wireless connection and the step of transferring the data are performed in response to an abnormal loss of the first wireless connection. 
     
     
         15 . The method of  claim 14 , further comprising, in response to the abnormal loss of the first wireless connection, performing the following steps:
 temporarily storing the data which was originally to be transmitted by the first wireless communications module; and   when the second wireless connection is established, transferring the data to the second wireless communications module to be transmitted via the second wireless connection.   
     
     
         16 . The method of  claim 11 , wherein the step of requesting the second wireless communications module to establish the second wireless connection and the step of transferring the data are performed in response to a user request. 
     
     
         17 . The method of  claim 16 , further comprising, in response to the user request, performing the following steps:
 temporarily storing the data which was originally to be transmitted by the first wireless communications module; and   when the second wireless connection is established, transferring the data to the second wireless communications module to be transmitted via the second wireless connection.   
     
     
         18 . A wireless communications system, comprising:
 a first wireless communications module configured to operate in compliance with a first wireless communication protocol, and transmit data by wireless transceiving via a first wireless connection;   a second wireless communications module configured to operate in compliance with a second wireless communication protocol; and   a connection management module configured to temporarily store the data which was originally to be transmitted by the first wireless communications module, request the second wireless communications module to establish a second wireless connection, transfer the temporarily stored data to the second wireless communications module to be transmitted via the second wireless connection, and request the first wireless communications module to cancel the first wireless connection.   
     
     
         19 . The wireless communications system of  claim 18 , wherein, prior to the step of transferring the temporarily stored data, the connection management module is further configured to convert a first communications scheme utilized by the first wireless communications module originally for transmitting the temporarily stored data via the first wireless connection into a second communications scheme associated with the second wireless connection. 
     
     
         20 . The wireless communications system of  claim 18 , wherein the step of temporarily storing the data and the step of transferring the temporarily stored data are performed in response to a user request, or in response to a signal quality or transmission rate of the first wireless connection being lower or higher than a threshold.